5 letter words:
upend8,
endue6,
undee6,
4 letter words:
deep7,
dupe7,
peed7,
pend7,
neep6,
peen6,
dene5,
dune5,
need5,
nude5,
unde5,
3 letter words:
dup6,
ped6,
pud6,
pee5,
pen5,
pun5,
dee4,
den4,
due4,
dun4,
end4,
nee3,
2 letter words:
pe4,
up4,
de3,
ed3,
en2,
ne2,
nu2,
un2,